The variable z is inversely proportional to x. when x is 3, z has the value 6. what is the value of z when x = 12

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

How many times larger is 9 × 10^8 than 3 × 10^-5? a. 3 × 10^13 b. 3 × 10^-40 c. 3 × 10^-13 d. 3 × 10^3